Buggy code:
public class StorageService implements IEndpointStateChangeSubscriber , StorageServiceMBean { private static Logger logger_ = LoggerFactory . getLogger ( StorageService . class ) ; public static final int RING_DELAY = 30 * 1000 ; public enum Verb { MUTATION , BINARY , READ_REPAIR , READ , REQUEST_RESPONSE , STREAM_INITIATE , STREAM_INITIATE_DONE , STREAM_REPLY , STREAM_REQUEST , RANGE_SLICE , BOOTSTRAP_TOKEN , TREE_REQUEST , TREE_RESPONSE , JOIN , GOSSIP_DIGEST_SYN , GOSSIP_DIGEST_ACK , GOSSIP_DIGEST_ACK2 , DEFINITIONS_ANNOUNCE , DEFINITIONS_UPDATE_RESPONSE , TRUNCATE , SCHEMA_CHECK , INDEX_SCAN , REPLICATION_FINISHED , INTERNAL_RESPONSE , COUNTER_MUTATION , UNUSED_1 , UNUSED_2 , UNUSED_3 ; } public static final StorageService . Verb [ ] VERBS = StorageService . Verb . values ( ) ; public static final EnumMap < StorageService . Verb , Stage > verbStages = new EnumMap < StorageService . Verb , Stage > ( StorageService . Verb . class ) { } ; public static final RetryingScheduledThreadPoolExecutor scheduledTasks = new RetryingScheduledThreadPoolExecutor ( "ScheduledTasks" ) ; public static final RetryingScheduledThreadPoolExecutor tasks = new RetryingScheduledThreadPoolExecutor ( "NonPeriodicTasks" ) ; private TokenMetadata tokenMetadata_ = new TokenMetadata ( ) ; private IPartitioner partitioner = DatabaseDescriptor . getPartitioner ( ) ; public VersionedValueFactory valueFactory = new VersionedValue . VersionedValueFactory ( partitioner ) ; public static final StorageService instance = new StorageService ( ) ; public static IPartitioner getPartitioner ( ) { } public Collection < Range > getLocalRanges ( String table ) { } public Range getLocalPrimaryRange ( ) { } private Set < InetAddress > replicatingNodes = Collections . synchronizedSet ( new HashSet < InetAddress > ( ) ) ; private CassandraDaemon daemon ; private InetAddress removingNode ; private boolean isBootstrapMode ; private boolean isClientMode ; private boolean initialized ; private volatile boolean joined = false ; private String operationMode ; private volatile boolean efficientCrossDCWrites ; private MigrationManager migrationManager = new MigrationManager ( ) ; private volatile int totalCFs ; private volatile int remainingCFs ; public void finishBootstrapping ( ) { } public void setToken ( Token token ) { } public StorageService ( ) { } public void registerDaemon ( CassandraDaemon daemon ) { } public void stopGossiping ( ) { } public void startGossiping ( ) { } public void startRPCServer ( ) { } public void stopRPCServer ( ) { } public boolean isRPCServerRunning ( ) { if ( ( daemon ) == null ) { <START_BUG> throw new IllegalStateException ( "No<seq2seq4repair_space>configured<seq2seq4repair_space>RPC<seq2seq4repair_space>daemon" ) ; <END_BUG> } return daemon . isRPCServerRunning ( ) ; } public void stopClient ( ) { } public boolean isInitialized ( ) { } public synchronized void initClient ( ) throws IOException , ConfigurationException { } public synchronized void initServer ( ) throws IOException , org . apache . cassandra . config . ConfigurationException { } private void joinTokenRing ( ) throws IOException , org . apache . cassandra . config . ConfigurationException { } public synchronized void joinRing ( ) throws IOException , org . apache . cassandra . config . ConfigurationException { } public boolean isJoined ( ) { } public void setCompactionThroughputMbPerSec ( int value ) { } private void setMode ( String m , boolean log ) { } private void bootstrap ( Token token ) throws IOException { } public boolean isBootstrapMode ( ) { } public TokenMetadata getTokenMetadata ( ) { } public Map < Range , List < String > > getRangeToEndpointMap ( String keyspace ) { } public Map < Range , List < String > > getPendingRangeToEndpointMap ( String keyspace ) { } public Map < Range , List < InetAddress > > getRangeToAddressMap ( String keyspace ) { } public Map < Token , String > getTokenToEndpointMap ( ) { } private Map < Range , List < InetAddress > > constructRangeToEndpointMap ( String keyspace , List < Range > ranges ) { } public void onChange ( InetAddress endpoint , ApplicationState state , VersionedValue value ) { } private void updateEfficientCrossDCWriteMode ( ) { } private void handleStateBootstrap ( InetAddress endpoint , String [ ] pieces ) { } private void handleStateNormal ( InetAddress endpoint , String [ ] pieces ) { } private void handleStateLeaving ( InetAddress endpoint , String [ ] pieces ) { } private void handleStateLeft ( InetAddress endpoint , String [ ] pieces ) { } private void handleStateMoving ( InetAddress endpoint , String [ ] pieces ) { } private void handleStateRemoving ( InetAddress endpoint , Token removeToken , String state ) { } private void excise ( Token token , InetAddress endpoint ) { } private void calculatePendingRanges ( ) { } public static void calculatePendingRanges ( AbstractReplicationStrategy strategy , String table ) { } private Multimap < InetAddress , Range > getNewSourceRanges ( String table , Set < Range > ranges ) { } private void sendReplicationNotification ( InetAddress local , InetAddress remote ) { } private void restoreReplicaCount ( InetAddress endpoint , final InetAddress notifyEndpoint ) { } private Multimap < Range , InetAddress > getChangedRangesForLeaving ( String table , InetAddress endpoint ) { } public void onJoin ( InetAddress endpoint , EndpointState epState ) { } public void onAlive ( InetAddress endpoint , EndpointState state ) { } public void onRemove ( InetAddress endpoint ) { } public void onDead ( InetAddress endpoint , EndpointState state ) { } public double getLoad ( ) { } public String getLoadString ( ) { } public Map < String , String > getLoadMap ( ) { } public final void deliverHints ( InetAddress endpoint ) { } public final void deliverHints ( String host ) throws UnknownHostException { } public Token getLocalToken ( ) { } public String getToken ( ) { } public String getReleaseVersion ( ) { } public List < String > getLeavingNodes ( ) { } public List < String > getMovingNodes ( ) { } public List < String > getJoiningNodes ( ) { } public List < String > getLiveNodes ( ) { } public List < String > getUnreachableNodes ( ) { }

Fix:
return false ;